September Weather in Colwood, Canada

Last updated: June 18, 2025

In September, the average temperature in Colwood, Canada hovers around 15°C (59°F). Temperatures can vary, dipping to a minimum of 8°C (46°F) and peaking at a warm 28°C (82°F). Expect around 71 mm (2.8 in) of precipitation over 9 days, with the average humidity maintaining a cozy 76%.

September Temperature in Colwood

In September in Colwood, the average temperature is 15°C (59°F). Maximums can reach 28°C (82°F) and minimums can be as low as 8°C (46°F). This makes it a great time for travelers to enjoy mild weather while exploring the sights.

September Weather in Colwood: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Colwood, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Colwood, September typically has an average temperature of 15°C (59°F), with highs reaching up to 28°C (82°F) and lows dropping to around 8°C (46°F).

Data source: Temperature data for Colwood generated using information from the Copernicus Climate Change Service.

September Precipitation in Colwood

In Colwood in September, the precipitation amount is 71 mm (2.8 in) spread over 9 days.

September Precipitation Trends in Colwood

The chart displays monthly precipitation patterns in Colwood, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Colwood, September typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Colwood

In Colwood in September humidity is 76%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities less enjoyable and often leading to a quick sense of fatigue while traveling.

September Average Humidity in Colwood

This chart illustrates the average monthly humidity levels in Colwood, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Colwood is approximately 76%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Colwood

In Colwood in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Colwood.

Maximum UV Index Levels in Colwood for September

The chart shows the monthly maximum UV Index (UVI) for Colwood in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Colwood typically reaches 7, which falls under the high exposure category.

Data source: Colwood September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How September Weather in Colwood Compares to Other Months

Weather in Colwood varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Colwood, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Colwood, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (41°F)	160 mm (6.3 inches)	86%	low
February Weather	4°C (40°F)	111 mm (4.4 inches)	85%	moderate
March Weather	6°C (44°F)	85 mm (3.3 inches)	86%	moderate
April Weather	9°C (48°F)	73 mm (2.9 inches)	86%	high
May Weather	12°C (54°F)	35 mm (1.4 inches)	81%	very high
June Weather	15°C (59°F)	28 mm (1.1 inches)	83%	very high
July Weather	17°C (62°F)	10 mm (0.4 inches)	84%	very high
August Weather	17°C (63°F)	13 mm (0.5 inches)	77%	very high
September Weather	15°C (59°F)	71 mm (2.8 inches)	76%	high
October Weather	10°C (51°F)	123 mm (4.8 inches)	88%	moderate
November Weather	8°C (46°F)	200 mm (7.9 inches)	87%	low
December Weather	5°C (41°F)	173 mm (6.8 inches)	87%	low